ML20073A103

Proposed App a Tech Spec Changes Re Limiting Safety Sys Setting,Rcs Integrity & Operating Limit Max Critical Power Ratio Values

ML20073A103
Person / Time
Site:	Pilgrim
Issue date:	04/05/1983
From:	BOSTON EDISON CO.
To:
Shared Package
ML20073A090	List: ML20073A087 ML20073A103 ML20073A149 ML20073A234
References
NUDOCS 8304110661
Download: ML20073A103 (2)

Text

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1.2 SAFETY LIMIT 2.2 ' LIMITING SAFETY SYSTEM SETTING 1.2 REACTOR COOLANT SYSTEM INTEGRITY 2.2 REACTOR COOLANT SYSTEM INTEGRITY Applicability: Applicability:

Applies to limits on reactor Applies to trip settings of the in-i coolant system pressure. struments and devices which are pro-vided to prevent the reactor system safety limits from being exceeded.

Objective: Objective:

l To establish a limit below which To define the level of the process the integrity of the reactor cool- variables at which automatic pro-ant system is not threatened due tective action is initiated to to an overpressure condition. prevent the pressure safety limit from being exceeded.

i i Specification: Specification:

l i The reactor vessel dome pressure The limiting safety system settings

! shall not exceed 1325 psig at any shall be as specified below:

! time when irradiated fuel is pre-i sent in the reactor vessel.

l Limiting Safety Protective Action System Setting A. Scram on Re- 1085 psig l actor Vessel l high pressure B. Relief / Safety Nominal setpoint valve settings will be selected be-tween 1095 and 1115 psig. All valves shall be set at this nominal setpoint +

11 psi.

C. Safety valve 1240 psig + 13 psi settings t

1 Amendment No. 22

! 8304110661 830405 PDR ADDCK 05000293 P PDR

TABLE 3.I1-1 OPERATING LIMIT MCPR VAttTS MCPR Operating Limit f aus I!Wl1 1.0 1.41 1,44 0 to .1 1.42 1.45

.1 to .2 1.42 1.45

.2 to .3 1.43 1.46

.3 to .4 1.43 1.46

.4 to .5 1.44 1.47

.5 to .6 1.44 1.47

. 6 to .7 1.45 1.48

.7 to .8 1.45 1.48

.8 to .9 1.46 1.49

.9 to 1.0 1,46 . 1,49 e

Amendment No. . 2053-2

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